The Emergency Offline Update (EOU) can be used to perform a system update to a console thats having trouble downloading the system update from Xbox Live. To perform the EOU, youll need:

A USB flash drive formatted as NTFS with a minimum 2 gigabytes (GB) of space
A PC with an Internet connection and a USB port.

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Step 1: On your Xbox One console

Youll first need to know which OS version youre currently running in order to download the correct system update.
To find your Xbox One consoles OS version:
Press the Xbox button to return to Home.
Press the Menu button and select Settings (or select Settings on the Home screen).
Select System.
Select Console info.
Your OS version is the third row down.
Note: If youre in the middle of a system update and need to find your OS version, pull both triggers and both bumpers on your controller. The OS version is listed as Build and is the second line down.

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Step 2: On your computer

Plug your USB flash drive into a USB port on your computer.
Format the USB as NTFS (USB must have at least 2 GB of space).
Youll need to select the correct OS version to be able to install properly.

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Click Save to save the console update .zip file to your computer.
Unzip the file. If youre using Windows XP, Windows Vista, or Windows 7, double-click the .zip file to unzip it.
Copy the contents of the .zip file to the root directory of your flash drive.
Unplug the USB flash drive from your computer.

Step 3: On your Xbox One console

Unplug the network cable if youre using a wired network connection.
Power off your console, and then unplug the power cord to ensure that the console is completely powered off.
Wait 30 seconds.
Plug the power cord back in.
Plug the flash drive into a USB port on your Xbox One console.
Press and hold the BIND and EJECT buttons, and then press Power On.
Continue holding the BIND and EJECT buttons for 10-15 seconds.
Listen for two power-up tones a couple of seconds apart.
Note If you don't hear two power-up tones after 10 seconds, it means this failed. Likewise, if you hear any power-down chirps, that also means this failed.

You can release the BIND and EJECTbuttons after the second power-up tone.
When the console restarts, remove the USB drive.
Once the console restarts, the update is complete and you should be returned to your experience.
Note The console restart may take several minutes.

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About the buttons and beeps

The BIND and EJECT button combination forces the console to look for the USB drive update, as the console will not look for a USB drive unless it needs it. This helps to decrease console start times for all startups when this step is not needed.

The first power-up tone will occur approximately 10 seconds after powering up. This indicates that a USB update has been detected. The second power-up tone indicates that the update file has been copied and mounted. This is important, as it confirms you have a compatible Xbox One system update based on your current build. This informs the system which build is currently installed on the console, and whether the update is compatible with that build.